Abstract
Multipath effect is one crucial impact on the performance of wireless communication systems. Multipath measurement has attracted more attention. While in the multipath measurement system, the band-limited issue causes chip distortion and brings errors in results. This paper proposed a chip distortion error post-processing method for multipath estimation algorithm. First, the method uses the dynamic performance index of system response, to analyze the effect of overshoot on the distortion of the correlation function and deduce three parameters. Second, the method uses the three parameters to correct estimation errors. Finally, the proposed method is tested in simulated and practical environment. For simulated experiments, Wasserstein distance is adopted as the evaluation index. We construct the multipath measurement system for practical experiments to obtain the main paths and measurement error. The statistical results show that the proposed post-processing method is useful in alleviating estimation errors caused by band-limited issues.
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